EP0907018A2 - Elektromagnetisches Kraftstoffeinspritzventil für Brennkraftmaschinen - Google Patents

Elektromagnetisches Kraftstoffeinspritzventil für Brennkraftmaschinen Download PDF

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Publication number
EP0907018A2
EP0907018A2 EP98118596A EP98118596A EP0907018A2 EP 0907018 A2 EP0907018 A2 EP 0907018A2 EP 98118596 A EP98118596 A EP 98118596A EP 98118596 A EP98118596 A EP 98118596A EP 0907018 A2 EP0907018 A2 EP 0907018A2
Authority
EP
European Patent Office
Prior art keywords
rod
injector
conduit
axis
drain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98118596A
Other languages
English (en)
French (fr)
Other versions
EP0907018A3 (de
EP0907018B1 (de
Inventor
Mario Ricco
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Elasis Sistema Ricerca Fiat nel Mezzogiorno SCpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Elasis Sistema Ricerca Fiat nel Mezzogiorno SCpA filed Critical Elasis Sistema Ricerca Fiat nel Mezzogiorno SCpA
Publication of EP0907018A2 publication Critical patent/EP0907018A2/de
Publication of EP0907018A3 publication Critical patent/EP0907018A3/de
Application granted granted Critical
Publication of EP0907018B1 publication Critical patent/EP0907018B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/004Joints; Sealings
    • F02M55/005Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027Electrically actuated valves draining the chamber to release the closing pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012Valves
    • F02M63/0014Valves characterised by the valve actuating means
    • F02M63/0015Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0017Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012Valves
    • F02M63/0014Valves characterised by the valve actuating means
    • F02M63/0015Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0017Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • F02M63/0021Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures
    • F02M63/0022Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures the armature and the valve being allowed to move relatively to each other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012Valves
    • F02M63/0031Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0205Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
    • F02M63/022Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by acting on fuel control mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
EP98118596A 1997-10-02 1998-10-01 Elektromagnetisches Kraftstoffeinspritzventil für Brennkraftmaschinen Expired - Lifetime EP0907018B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97TO000874A IT1295462B1 (it) 1997-10-02 1997-10-02 Iniettore di combustibile a comando elettromagnetico per motori a combustione interna.
ITTO970874 1997-10-02

Publications (3)

Publication Number Publication Date
EP0907018A2 true EP0907018A2 (de) 1999-04-07
EP0907018A3 EP0907018A3 (de) 1999-12-15
EP0907018B1 EP0907018B1 (de) 2002-09-11

Family

ID=11416044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118596A Expired - Lifetime EP0907018B1 (de) 1997-10-02 1998-10-01 Elektromagnetisches Kraftstoffeinspritzventil für Brennkraftmaschinen

Country Status (9)

Country Link
US (1) US6161774A (de)
EP (1) EP0907018B1 (de)
JP (1) JPH11257181A (de)
KR (1) KR19990036790A (de)
CN (1) CN1111650C (de)
DE (1) DE69807809T2 (de)
ES (1) ES2183268T3 (de)
IT (1) IT1295462B1 (de)
RU (1) RU2224132C2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001011221A1 (de) * 1999-08-09 2001-02-15 Robert Bosch Gmbh Zweistufiges magnetventile für einen injektor von brennkraftmaschinen
WO2002077438A1 (de) * 2001-03-28 2002-10-03 Robert Bosch Gmbh Kraftstoff-einspritzvorrichtung für brennkraftmaschinen, insbesondere common-rail-injektor, mit einem rücklaufanschluss
EP1283354A2 (de) 2001-08-11 2003-02-12 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
WO2003054376A1 (de) 2001-12-21 2003-07-03 L'orange Gmbh Einspritzinjektor für brennkraftmaschinen

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19937713C1 (de) * 1999-08-10 2001-03-15 Siemens Ag Steuerventilanordnung zum Einsatz in einem Kraftstoffinjektor für Verbrennungsmotoren
DE10025497A1 (de) * 2000-05-23 2001-11-29 Bosch Gmbh Robert Kraftstoffeinspritzventil
ITTO20010814A1 (it) * 2001-08-14 2003-02-14 Fiat Ricerche Iniettore di combustibile per un motore endotermico e relativo metododi fabbricazione.
JP2005226580A (ja) * 2004-02-13 2005-08-25 Denso Corp 燃料噴射装置
CN100351512C (zh) * 2004-07-15 2007-11-28 于魁江 电控喷油器
US7762478B1 (en) * 2006-01-13 2010-07-27 Continental Automotive Systems Us, Inc. High speed gasoline unit fuel injector
DE602006012012D1 (de) * 2006-04-11 2010-03-18 Fiat Ricerche Kraftstoffinjektor für Verbrennungsmotoren mit einstellbarem Dosierservoventil
US7506825B2 (en) * 2006-05-31 2009-03-24 Caterpillar Inc. Fuel injector control system
CN104145143B (zh) 2011-10-10 2017-06-20 Kmt 水喷射系统公司 无垫圈的高压连接件
EP2961977B1 (de) * 2013-03-01 2017-06-21 Ganser-Hydromag AG Vorrichtung zum einspritzen von brennstoff in den brennraum einer vebrennungskraftmaschine
US9719476B2 (en) * 2014-07-14 2017-08-01 Cummins Inc. B-LCCR injector pilot valve orifice, armature and plunger guide arrangement
CN105041533B (zh) * 2015-07-09 2018-07-24 胡松平 一体式喷射器
CN107524551B (zh) * 2017-08-31 2020-01-31 重庆红江机械有限责任公司 一种带保压结构的微喷电控喷油器
KR102363187B1 (ko) * 2020-09-03 2022-02-15 주식회사 현대케피코 아마추어부 바운싱 저감 인젝터
KR102329852B1 (ko) * 2020-09-03 2021-11-22 주식회사 현대케피코 산포 저감형 인젝터

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2146576A5 (de) * 1971-07-20 1973-03-02 Cornet Andre
US4129255A (en) * 1977-09-12 1978-12-12 General Motors Corporation Electromagnetic unit fuel injector
US4709679A (en) * 1985-03-25 1987-12-01 Stanadyne, Inc. Modular accumulator injector

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2244394A (en) * 1938-03-15 1941-06-03 Richard W Hautzenroeder Spray nozzle
GB521736A (en) * 1938-11-24 1940-05-29 George Amery Improvements in or relating to fuel injection systems or devices for internal-combustion engines
US2536542A (en) * 1941-12-31 1951-01-02 Cav Ltd Variable valve loading injection nozzle
US2391808A (en) * 1942-08-19 1945-12-25 Continental Motors Corp Fuel atomizer
SU675199A2 (ru) * 1974-07-02 1979-07-25 Коломенский Филиал Всесоюзного Заочного Политехнического Института Форсунка с гидравлическим запиранием иглы
DE2500644C2 (de) * 1975-01-09 1988-07-07 Klöckner-Humboldt-Deutz AG, 5000 Köln Kraftstoffeinspritzventil für Brennkraftmaschinen
US4156560A (en) * 1977-11-09 1979-05-29 The United States Of America As Represented By The Secretary Of The Army Electrically-controlled fuel injector
DE3228079A1 (de) * 1982-07-28 1984-02-02 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoff-einspritzduese fuer brennkraftmaschinen
IT212428Z2 (it) * 1987-08-25 1989-07-04 Weber Srl Elettrovalvola veloce particolarmente valvola pilota di iniezione del combustibile per motori a ciclo diesel
JP3144136B2 (ja) * 1993-03-31 2001-03-12 株式会社デンソー 三方電磁弁
DE4336108C1 (de) * 1993-10-22 1994-12-01 Daimler Benz Ag Magnetvenitl an einer für Brennkraftmaschinen vorgesehenen Kraftstoffeinspritzdüse
CH689282A5 (de) * 1994-03-29 1999-01-29 Christian Dipl-Ing Eth Mathis Einspritzventil fuer eine insbesondere als Dieselmotor vorgesehene Brennkraftmaschine.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2146576A5 (de) * 1971-07-20 1973-03-02 Cornet Andre
US4129255A (en) * 1977-09-12 1978-12-12 General Motors Corporation Electromagnetic unit fuel injector
US4709679A (en) * 1985-03-25 1987-12-01 Stanadyne, Inc. Modular accumulator injector

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001011221A1 (de) * 1999-08-09 2001-02-15 Robert Bosch Gmbh Zweistufiges magnetventile für einen injektor von brennkraftmaschinen
US6783086B1 (en) 1999-08-09 2004-08-31 Robert Bosch Gmbh Two-stage magnet valve of compact design for an injector of an injection system for internal combustion engines
WO2002077438A1 (de) * 2001-03-28 2002-10-03 Robert Bosch Gmbh Kraftstoff-einspritzvorrichtung für brennkraftmaschinen, insbesondere common-rail-injektor, mit einem rücklaufanschluss
US6892706B2 (en) 2001-03-28 2005-05-17 Robert Bosch Gmbh Fuel injection device for internal combustion engines, in particular a common rail injector
EP1283354A2 (de) 2001-08-11 2003-02-12 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
DE10139680A1 (de) * 2001-08-11 2003-02-27 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
EP1283354A3 (de) * 2001-08-11 2003-11-26 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
WO2003054376A1 (de) 2001-12-21 2003-07-03 L'orange Gmbh Einspritzinjektor für brennkraftmaschinen
DE10163693A1 (de) * 2001-12-21 2003-07-10 Orange Gmbh Einspritzinjektor für Brennkraftmaschinen
US6991179B2 (en) 2001-12-21 2006-01-31 L'orange Gmbh Injector for internal combustion engines

Also Published As

Publication number Publication date
CN1111650C (zh) 2003-06-18
CN1216343A (zh) 1999-05-12
KR19990036790A (ko) 1999-05-25
ES2183268T3 (es) 2003-03-16
EP0907018A3 (de) 1999-12-15
RU2224132C2 (ru) 2004-02-20
DE69807809D1 (de) 2002-10-17
ITTO970874A1 (it) 1999-04-02
JPH11257181A (ja) 1999-09-21
EP0907018B1 (de) 2002-09-11
IT1295462B1 (it) 1999-05-12
DE69807809T2 (de) 2003-05-28
US6161774A (en) 2000-12-19

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